//banner
function Associationstyle(){
	count=$("#banner_list a").length;
	$("#banner_list a:not(:first-child)").hide();
	$("#banner_info").html($("#banner_list a:first-child").find("img").attr('alt'));
	$("#banner_info").click(function(){
		window.open($("#banner_list a:first-child").attr('href'), "_blank")
	});
	$("#banner li").click(function(){
		var i = $(this).index();//获取Li元素内的值，即1，2，3，4
		n = i;
		if (i >= count) return;
		$("#banner_info").html($("#banner_list a").eq(i).find("img").attr('alt'));
		$("#banner_info").unbind().click(function(){window.open($("#banner_list a").eq(i).attr('href'), "_blank")})
		$("#banner_list a").filter(":visible").fadeOut(500).parent().children().eq(i).fadeIn(1000);
		document.getElementById("banner").style.background="";
		$(this).toggleClass("on");
		$(this).siblings().removeAttr("class");
	});
	
	t = setInterval("showAuto()", 4000);
	$("#banner").hover(function(){clearInterval(t)}, function(){
		t = setInterval("showAuto()", 4000);
	});
	
}

function showAuto(){
	n = n > (count -1) ?0 : ++n;
	$("#banner li").eq(n).trigger('click');
}











